<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.SQLException" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page language="java" import="java.lang.*" %>
<%@ page import = "java.sql.SQLException" %>
<%@ page import = "com.seniorproject.aims.*" %>
<%@ page import = "java.util.List" %>
<%@page import="java.util.ArrayList"%>
<%@ page import = "java.util.Properties" %>
<%@ page import = "javax.servlet.ServletContext" %>
<%@ page import = "java.io.File" %>
<%@ page import = "java.io.InputStream" %>

<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
		<title>Delete Course</title>
	<link rel="stylesheet" type="text/css" href="css/stylev2.css" />
</head>
<body>
<%

	//get session
	String strUser = String.valueOf(session.getAttribute("sUser"));
	HttpSession htp_session = request.getSession();
	
	// check session
	if (htp_session == null || htp_session.getAttribute("sUser") == null) {
	    // Forward the control to login.jsp if authentication fails or session expires
	    request.getRequestDispatcher("/login.jsp").forward(request,
	        response);
	}
	
	if("admin".equals(htp_session.getAttribute("sUser"))){%>
	<script>alert("This user dont have PERMISSION to access this zone.");</script>
	<meta HTTP-EQUIV="Refresh" CONTENT="0; URL=admin_home.jsp"> 	
	<%}
	
	//GET PARAMETE FROM HIDDEN
		String CurriculumId = request.getParameter("CurriculumId");
		String CurriculumNameENOLD = request.getParameter("nameCurriculumEN");
		int DepartmentIdOLD = Integer.parseInt((request.getParameter("departmentId")));
		String departmentOld = new String(request.getParameter("departmentName").getBytes("ISO8859_1"),"UTF-8");
		String YearOLD = request.getParameter("year");
		int Credit = Integer.parseInt(request.getParameter("credit"));
		
		String checker2 = request.getParameter("checker2"); 
		System.out.println("/////START DELETING/////");
		System.out.println("CurID:   "+CurriculumId);		
		System.out.println("CurriculumNameENOLD:   "+CurriculumNameENOLD);	
		System.out.println("DepartmentIdOLD:   "+DepartmentIdOLD);	
		System.out.println("departmentOld:   "+departmentOld);	
		System.out.println("YearOLD:   "+YearOLD);	
		System.out.println("Credit:   "+Credit);	
		
		int YearSemester = Integer.parseInt((request.getParameter("YearSemester")));
		int TermSemester = Integer.parseInt((request.getParameter("TermSemester")));
		int CreditSemester = Integer.parseInt((request.getParameter("CreditSemester")));
		int SemesterKey = Integer.parseInt((request.getParameter("SemesterKey")));
		
		System.out.println("YearSemester:   "+YearSemester);	
		System.out.println("TermSemester:   "+TermSemester);	
		System.out.println("CreditSemester:   "+CreditSemester);	
		System.out.println("SemesterKey:   "+SemesterKey);
	
	//GET COURSE FROM HIDDEN	
	String CourseId = request.getParameter("CourseId");
	String CourseNameEN = request.getParameter("CourseName");
	int Credit_course = Integer.parseInt(request.getParameter("CreditCourseSemester"));
	
	System.out.println("CourseId:   "+CourseId);
	System.out.println("CourseNameEN:   "+CourseNameEN);
	System.out.println("Credit_course:   "+Credit_course);
	
	//GET PERMISSION

			String name = String.valueOf(session.getAttribute("name"));
			String surname = String.valueOf(session.getAttribute("surname"));
			String role_name = String.valueOf(session.getAttribute("curriculum_role"));
			
			String department_id = String.valueOf(session.getAttribute("department_id"));
					
			System.out.println("name : " + name);///////////////////////////////
			System.out.println("department_id : " + department_id);/////////////////////////
			
			List<String> system_name = new ArrayList<String>();
			
			Permission permission = new Permission(strUser,name);
			permission.setCurriculumCreate(Boolean.valueOf(String.valueOf(session.getAttribute("curriculum_create"))));
			permission.setCurriculumDelete(Boolean.valueOf(String.valueOf(session.getAttribute("curriculum_delete"))));
			permission.setCurriculumRead(Boolean.valueOf(String.valueOf(session.getAttribute("curriculum_read"))));
			permission.setCurriculumUpdate(Boolean.valueOf(String.valueOf(session.getAttribute("curriculum_update"))));
			
			String permiss = "";
			if(permission.getCurriculumCreate()) {
				permiss = permiss + "Add";
			}
			if(permission.getCurriculumUpdate()) {
				if("".equals(permiss)) {
					permiss = permiss + "Edit";
				} else {
					permiss = permiss + " Edit";
				}
			}
			if(permission.getCurriculumRead()) {
				if("".equals(permiss)) {
					permiss = permiss + "Read";
				} else {
					permiss = permiss + " Read";
				}
			}
			if(permission.getCurriculumDelete()) {
				if("".equals(permiss)) {
					permiss = permiss + "Delete";
				} else {
					permiss = permiss + " Delete";
				}
			}
			
		///////////////////////////////////////////////////////////////////////////////////////////////////////////			
		//check permission
			if(!permission.getCurriculumUpdate()){%>
				<script>alert("This user dont have PERMISSION to access this zone.");</script>
				<meta HTTP-EQUIV="Refresh" CONTENT="0; URL=curriculum_home.jsp"> 	
			<%}
		
	//set Database Connection
	String hostProps = "";
	String usernameProps  = "";
	String passwordProps  = "";
	String databaseProps = "";
	
	try {
		//get current path
		ServletContext servletContext = request.getSession().getServletContext();
		
		InputStream input = servletContext.getResourceAsStream("/properties/connectDB.properties");
		Properties props = new Properties();
		
		props.load(input);

		hostProps  = props.getProperty("host");
		usernameProps  = props.getProperty("username");
		passwordProps  = props.getProperty("password");
		databaseProps = props.getProperty("database");
	} catch (Exception e) { 
		out.println(e);  
	}
	
	// connect database
	Connection connect = null;		
	try {
		Class.forName("com.mysql.jdbc.Driver");
	
		connect =  DriverManager.getConnection("jdbc:mysql://" + hostProps  + "/" + databaseProps +
				"?user=" + usernameProps  + "&password=" + passwordProps );
	
		if(connect != null){
			System.out.println("Database Connect Sucesses.");
		} else {
			System.out.println("Database Connect Failed.");	
		}

	} catch (Exception e) {
		out.println(e.getMessage());
		e.printStackTrace();
	}

	//delete course semester in database
	try {			   
			connect.createStatement().executeUpdate("DELETE FROM `course_semester` "
					+" WHERE course_id = '"+ CourseId + "' AND semester_program_id="+ SemesterKey );
			
			String sql_course_semester = "DELETE FROM `course_semester` "
					+" WHERE course_id = '"+ CourseId + "' AND semester_program_id="+ SemesterKey;
					
			
			/* Log file */
			String log_user = strUser+" delete course_semester";
			Log.writeUserFile(log_user);
			Log.writeUserFile(sql_course_semester);
					
			System.out.println("delete sucess");////////////try//////////
	} catch (SQLException e) {
		e.printStackTrace();
	}
	
	connect.close();
%>
<div id="main-content-ac" align="center" >
		<table>
		<tr>
			<font size="5">คุณได้ลบข้อมูลวิชา<%=CourseNameEN %> หน่วยกิต= <%=Credit_course %>  เสร็จสิ้น</font>
			<br><br>
			<font size="5">กรุณากดปุ่ม Back เพื่อกลับไปหน้าที่แล้ว</font>
		</tr>
		</table>
		<br>		
		<form id="form" name="form" method="post" action="curriculum_add_course_schedule.jsp">
					<input type="hidden" id="CurriculumId" name="CurriculumId" value="<%=CurriculumId%>" />
				  	<input type="hidden" id="nameCurriculumEN" name="nameCurriculumEN" value="<%=CurriculumNameENOLD%>" />
				  	<input type="hidden" id="departmentId" name="departmentId" value="<%=DepartmentIdOLD%>" />
				  	<input type="hidden" id="departmentName" name="departmentName" value="<%=departmentOld%>" />
				  	<input type="hidden" id="year" name="year" value="<%=YearOLD%>" />
				  	<input type="hidden" id="credit" name="credit" value="<%=Credit%>" />
				  								
				  	<input type="hidden" id="YearSemester" name="YearSemester" value="<%=YearSemester%>" />
				  	<input type="hidden" id="TermSemester" name="TermSemester" value="<%=TermSemester%>" />
				  	<input type="hidden" id="CreditSemester" name="CreditSemester" value="<%=CreditSemester%>" />
					<input type="hidden" id="checker" name="checker" value="none" />
										
					<input type="hidden" id="checker2" name="checker2" value="none" />	
				
			<input type="submit" value="back" name="back" class="buttonStyle"/>
		
		</form>	




</div>
</body>
</html>